Combination backpack and cushion device



FIG. 1 is a perspective view of a combination backpack and cushion device showing my new design in use with a chair;

FIG. 2 is a perspective view thereof with the chair removed;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front end view thereof;

FIG. 8 is a back end view thereof; and,

FIG. 9 is a perspective view of my new design in a folded configuration.

In the drawings, the broken lines showing a chair illustrate environment and form no part of the claimed design. 

The ornamental design for a combination backpack and cushion device, as shown and described. 